67540040

素因数分解:

$2^3\times 5^1\times {\mathrm{947}}^1\times {\mathrm{1783}}^1$

素因数の和:2741

約数の個数: 32

約数和(自身を含む): 152210880

約数和(自身を除く): 84670840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 947, 1783, 1894, 3566, 3788, 4735, 7132, 7576, 8915, 9470, 14264, 17830, 18940, 35660, 37880, 71320, 1688501, 3377002, 6754004, 8442505, 13508008, 16885010, 33770020, 67540040]

約数ペア:

[(1, 67540040), (2, 33770020), (4, 16885010), (5, 13508008), (8, 8442505), (10, 6754004), (20, 3377002), (40, 1688501), (947, 71320), (1783, 37880), (1894, 35660), (3566, 18940), (3788, 17830), (4735, 14264), (7132, 9470), (7576, 8915)]